WhenQ=50,TFC=$2,000andTVC=$8,000. WhenQ=60,TVC=$9,000. Which of the following is true?

Select one:

a.WhenQ=50 or 60,AFCis constant at $40.

b.WhenQ=50, AVC = $160 and whenQ=60, AVC = $150

c. When Q=50, ATC = $200 and whenQ = 60, ATC = $166.67.